1966525343 has 2 divisors, whose sum is σ = 1966525344. Its totient is φ = 1966525342.

The previous prime is 1966525339. The next prime is 1966525349. The reversal of 1966525343 is 3435256691.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1966525343 - 2² = 1966525339 is a prime.

It is a super-2 number, since 2×1966525343² = 7734443849322535298, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 1966525294 and 1966525303.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1966525349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 983262671 + 983262672.

It is an arithmetic number, because the mean of its divisors is an integer number (983262672).

Almost surely, 2^1966525343 is an apocalyptic number.

1966525343 is a deficient number, since it is larger than the sum of its proper divisors (1).

1966525343 is an equidigital number, since it uses as much as digits as its factorization.

1966525343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 583200, while the sum is 44.

The square root of 1966525343 is about 44345.5222429503. The cubic root of 1966525343 is about 1252.8522267321.

The spelling of 1966525343 in words is "one billion, nine hundred sixty-six million, five hundred twenty-five thousand, three hundred forty-three".